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  • Title: [Clinical results of angioplasty of the renal arteries in renovascular arterial hypertension. A retrospective study in 113 patients].
    Author: Equine O, Mounier-Véhier C, Devos P, Bérégi JP, Deklunder G, Carré A.
    Journal: Arch Mal Coeur Vaiss; 1999 Aug; 92(8):1015-21. PubMed ID: 10486657.
    Abstract:
    The aim of the study was to evaluate the clinical results of percutaneous transluminal renal angioplasty in a population of 113 consecutive hypertensive patients who underwent endoluminal revascularization for angiographically significant renal artery stenosis. Retrospective analysis of the case records of 104 patients showed that systolic blood pressure (SBP) and diastolic blood pressure (DBP) decreased significantly 6 months after angioplasty (-20.9 mmHg and -8.4 mmHg respectively; p = 0.0001). This decrease was maintained until 19.8 months after the procedure. In cases with suboptimal revascularization (persistence of a residual stenosis more than 30%), only the SBP decreased significantly at 6 months (from 177 mmHg to 156.1 mmHg; p = 0.0061); when DBP decreased from 91.4 mmHg to 86.1 mmHg (NS) at 6 months, and fell to 80.9 mmHg (p = 0.026) at 19.8 months (after the performance of a second transluminal angioplasty for 41% patients of this group due to restenosis). Twenty-nine patients presented a restenosis of the renal artery 6 months after the initial procedure. In this group, only SBP decreased significantly at 6.1 months and at 18.7 months (from 171.9 mmHg to 156.1 mmHg and 146.5 mmHg respectively; p = 0.0064 and p = 0.0001). DBP decreased significantly only at 18.7 months (-12.6 mmHg; p = 0.0001), after a second renal angioplasty in 23 patients (79%). In the 60 patients without restenosis at 6 months, SBP and DBP decreased significantly at 6.1 and 18.7 months. No significant variation of creatinine levels was observed. These results confirm the utility of percutaneous transluminal renal angioplasty for the treatment of renovascular hypertension.
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